Computer Networks: TCP/IP, OSI, TCP vs UDP
The TCP/IP model is a conceptual framework that explains how data is sent and received over networks…
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The OSI Model Through a Security Lens: How Attacks Really Move Across Networks
Complete OSI Layer Breakdown With Attacks, Examples, Detection, and Protection Layer Layer Name What This Layer Really…
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Zero-Day Vulnerabilities: The Invisible Cyber Attacks Already Inside Your Network
What a Zero-Day Really Means A zero-day vulnerability is a security hole in software that only the…
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When One Break-In Opened the Floodgates: The Daba Finance Ransomware Shock
In mid-December 2025, a relatively young UK financial services company found itself in the middle of a…
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Askul’s Cyber Crisis: How a Ransomware Attack Shook a Major Retailer
In late 2025, one of Japan’s most well-known office supply retailers quietly found itself dealing with a…
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Three Years Later, the Bill Arrives: UK Fines LastPass Over 2022 Breach
The UK’s data protection authority has fined password manager LastPass £1.6 million after finding that the company…
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No Hack Required: The Internet Stumbled Into a 4.3-Billion-Record Database
Discovery date: December 13, 2025Data volume: ~16 TB of unencrypted dataRecords exposed: ~4.3 billion professional profilesRoot cause:…
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Firewall, NGFW, and WAF : Protecting Networks and Web Applications
1. Firewall (Traditional Firewall) What it is:A basic security device or software that monitors and controls network…
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Malware, Virus, Worm, Trojan, Ransomware, Spyware, Adware, Rootkit, Keylogger and Botnet at a Glance
1. Malware Malware (malicious software) is a broad term used for any software intentionally designed to cause…
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